On Tue, Nov 04, 2003 at 02:00:21PM +0000, Angus Leeming wrote:
> Andre Poenitz wrote:
>
> > On Tue, Nov 04, 2003 at 12:19:25PM +0000, Angus Leeming wrote:
> >> I have a container that currently allows the user to alter the Node
> >> container. I want to allow the user to be able to alter the Node
> >> contents but to not be able to insert, erase Nodes from the vector.
> >>
> >> What's the best way to proceed?
>
> > /// The element list is immutable.
> > //std::vector<Element> const & elements() const { return
> > elements_; } Element const & element(size_t i) const {
> > return elements_[i]; } Element & element(size_t i) { return
> > elements_[i]; }
>
> Actually, it's perfectly safe to provide iterators isn't it, so long
> as I don't provide access to the storage container itself?
Well... this exposes an implementation detail (type of container) to the
outer world. Moreover, people are tempted to use ++ on iterators,
whereas not too many poeple would use (&element(3) + 1)
So _I_'d prefer the accessor functions.
Andre'
--
Those who desire to give up Freedom in order to gain Security, will not have,
nor do they deserve, either one. (T. Jefferson or B. Franklin or both...)
